The baby name Guilherme appears in baby name data for the United States from 2000 to 2019. It was most popular in 2005 with 22 babies given the name.
In the later years of this period, Guilherme has become less common than it once was.
| Year | Count |
|---|---|
| 2000 | 7 |
| 2001 | 19 |
| 2002 | 6 |
| 2003 | 8 |
| 2004 | 18 |
| 2005 | 22 |
| 2006 | 16 |
| 2007 | 21 |
| 2008 | 19 |
| 2009 | 12 |
| 2010 | 7 |
| 2011 | 16 |
| 2012 | 5 |
| 2013 | 6 |
| 2014 | 6 |
| 2016 | 6 |
| 2017 | 6 |
| 2019 | 8 |